Answer:
Hi there!
Your answer is;
There are 50 bacteria after 3 hours
Step-by-step explanation:
After three hours, with a rate of 20% an hour, 60% should have died
20% of 125 is?
100% is 125
/100
1% is 1.25
×60
60% is 75
125-75= 50
Hope this helps
Answer:
40%
Step-by-step explanation:
Our fraction would be 22/55. You can divide and then multiply by 100 to get your percentage.
Answer:
Jonah needs 12 feet of electrical wire.
Step-by-step explanation:
= 
cross multiply
12 yard × ft = 1 yard x
12÷1=12
12 feet of wire.
Answer:
-1.5
Step-by-step explanation:
<u>See steps below:</u>
- -8x + 3 - 8x - 3 = 8x+ 27 - 8x - 3 ⇒ add -8x - 3 to both sides in order to collect like terms in the different sides of equation
- -16x = 24 ⇒ simplified
- x= 24/-16 ⇒ divide
- x= - 1.5 ⇒ answer
4x+7=-3
4x=-3-7
4x=-10
X=-10/4
X=-2.5
